Finding the Fourth Proportional to 731,362.53, 1,096,323.99 and 427,370.88
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Solution
The fourth proportional to 731,362.53, 1,096,323.99 and 427,370.88 is: 640,635.70
Step by Step Solution
- Step 1: Write the proportion equation
731,362.53 : 1,096,323.99 = 427,370.88 : x - Step 2: Convert to fraction form
731,362.53/1,096,323.99 = 427,370.88/x - Step 3: Cross multiply
731,362.53x = 1,096,323.99 × 427,370.88 - Step 4: Simplify right side
731,362.53x = 468,536,948,371.41 - Step 5: Solve for x
x = 468,536,948,371.41/731,362.53 - Step 6: Final answer
x = 640,635.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.